Heat a frying pan big enough to hold all your potato, add the oil and begin frying the potato pieces. Once they start to brown, add the spice mix, chopped chilli (as much or as little as you like ...
I tried to get mine as close to French-fry size as possible, but some pieces were still misshapen. I then tossed the potato sticks into a colander, rinsed them with chilled water, and patted them ...